A parietal memory network revealed by multiple MRI methods

被引：181

作者：

Gilmore, Adrian W. ^{[1
]}

Nelson, Steven M. ^{[3
,4
]}

McDermott, Kathleen B. ^{[1
,2
]}

机构：

[1] Washington Univ, Dept Psychol, St Louis, MO 63130 USA

[2] Washington Univ, Dept Radiol, St Louis, MO USA

[3] VISN 17 Ctr Excellence Res Returning War Vet, Waco, TX USA

[4] Univ Texas Dallas, Ctr Vital Longev, Sch Behav & Brain Sci, Dallas, TX 75230 USA

来源：

TRENDS IN COGNITIVE SCIENCES | 2015年 / 19卷 / 09期

基金：

美国国家科学基金会;

关键词：

parietal cortex; memory; familiarity; encoding; retrieval; functional networks; EVENT-RELATED FMRI; BRAINS DEFAULT NETWORK; RESTING HUMAN BRAIN; FUNCTIONAL CONNECTIVITY; RETRIEVAL SUCCESS; EPISODIC MEMORY; ENCODING/RETRIEVAL FLIP; POSTERIOR PARIETAL; SUBSEQUENT MEMORY; BASE-LINE;

D O I：

10.1016/j.tics.2015.07.004

中图分类号：

B84 [心理学]; C [社会科学总论]; Q98 [人类学];

学科分类号：

03 ; 0303 ; 030303 ; 04 ; 0402 ;

摘要：

The manner by which the human brain learns and recognizes stimuli is a matter of ongoing investigation. Through examination of meta-analyses of task-based functional MRI and resting state functional connectivity MRI, we identified a novel network strongly related to learning and memory. Activity within this network at encoding predicts subsequent item memory, and at retrieval differs for recognized and unrecognized items. The direction of activity flips as a function of recent history: from deactivation for novel stimuli to activation for stimuli that are familiar due to recent exposure. We term this network the 'parietal memory network' (PMN) to reflect its broad involvement in human memory processing. We provide a preliminary framework for understanding the key functional properties of the network.

引用

页码：534 / 543

页数：10

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